# Allegro A1333 Circular Vertical Hall Angle Sensor IC

![Allegro A1333 Circular Vertical Hall Angle Sensor IC](https://parts.trymaglev.com/img/ac-allegro-a1333lletr-t.webp)

CVH angle sensor with SPI plus ABI/UVW and PWM, turns counting and ASIL-oriented diagnostics; 12-bit effective resolution at 900 G.

- Maglev ID: ac-allegro-a1333lletr-t
- Brand: Allegro MicroSystems
- MPN: A1333LLETR-T
- Category: actuators / Magnetic Encoders
- Origin: US (maker HQ, factory not confirmed)
- Maker: Allegro MicroSystems (brand, US)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.80.85 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $4.97 (distributor, 2026-10-30, https://www.lcsc.com/product-detail/C3825364.html)
- 100+: $4.68 (distributor, 2026-10-30, https://www.lcsc.com/product-detail/C3825364.html)

## Specifications
- Resolution: 12-bit effective at 900 G field
- Accuracy: Angle error ±0.6° typ, ±1.3° max at 150 °C, 300 G, ideal alignment
- Max speed: verified to 12,000 rpm by test; 30,000 rpm by design simulation
- Interface: SPI (4-bit CRC); ABI; UVW; PWM
- Form: IC, TSSOP-14 (LE)
- Sensing: Hall (Circular Vertical Hall)
- Supply: 4.0–16.5 V
- Bore: n/a
- Operating temp: -40 to +150 °C

## Links
- Product: https://www.lcsc.com/product-detail/C3825364.html
- Datasheet: https://datasheet.lcsc.com/datasheet/pdf/23ac4f7bd0b76acb10dbb6459cd0b6cd.pdf?productCode=C3825364
- CAD: none

## Equivalents
- Allegro AAS33001 Angle Sensor IC with ABI/UVW and 3.7–18 V Supply (ac-allegro-aas33001lleatr)
- Allegro A1335 Programmable Angle Sensor IC (I²C/SPI/SENT) (ac-allegro-a1335lletr-t)

## Sources
- https://www.lcsc.com/product-detail/C3825364.html (price breaks, stock, package, supply range (LCSC listing / product API))
- https://datasheet.lcsc.com/datasheet/pdf/23ac4f7bd0b76acb10dbb6459cd0b6cd.pdf?productCode=C3825364 (datasheet: 12-bit effective, angle error, 4.0–16.5 V, 12 krpm tested)
